Disk brake rotor



FIG. 1 is a side view of a disk brake rotor in accordance with the present invention, the undisclosed side being a mirror image; and,

FIG. 2 is an edge view thereof, all other edge views being the same.

The broken lines which define the bounds of the claimed design form no part thereof.

The broken line environmental showing is for illustrative purposes only and forms no part of the claimed design. 

We claim the ornamental design for a disk brake rotor, as shown and described. 